20x24x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack Reflectors & Grow Lights Outer Dimensions: 3/8''

Outer Dimensions: 3/8''

When you use this potting mix the miniature cubes stack on top of each other and air pockets are created throughout the pot

• 5' x 5' wide and uniform coverage

May be added to solution or applied through foliar feeding

- Reduce effects of plant stress factors

20x24x4 (3 5/8) Pleated MERV 15 Air Filters 1 Pack Reflectors & Grow Lights Outer Dimensions: 3/8''Nordic Pure 20x24x4 Pleated Air Filters MERV 15 are made of electrostatically charged synthetic materials that attract and capture most airborne particulates in your home. Each time air passes through a Nordic Pure pleated furnace filter, lint, household dust, pollen, dust mites, pet dander, smoke particles, smog, allergens, virus carriers, bacteria, mold spores and other contaminants are removed. All Nordic Pure pleated air filters are manufactured